Climate averages 1991–2020

Yurihonjō weather
in September.

A warm, very wet month: the 3rd warmest and the joint 6th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 23.6°C Daytime mean, September
Average low 17.6°C Night-time mean, September
Rainfall 185 mm 16 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Yurihonjō · average highYear overview

September is a warm month in Yurihonjō: daytime highs average 23.6°C and nights cool to about 17.6°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 185 mm of rain on roughly 16 days, which makes September a very wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 29 min on an average September day.

The nearest other city in this atlas is Akita (37 km away). In September its highs average 23.0°C, 0.5°C cooler than Yurihonjō, with 190 mm of rain.

Among the 303 cities listed in Japan, Yurihonjō ranks joint 269th of 303 for the warmest September highs and joint 135th of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Yurihonjō is 2.1°C cooler than that mean.

From September to October, average highs fall by 6.0°C to 17.6°C, and monthly rainfall stays at 185 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Yurihonjō climate table

1991–2020
Monthly climate averages for Yurihonjō, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 1.9°C-2.5°C-2.5°C21426.69.710 h
February 2.6°C-2.4°C-2.4°C14822.110.711 h
March 6.1°C0.0°C0.0°C13419.411.912 h
April 12.7°C4.8°C4.8°C11114.413.213 h
May 18.2°C10.3°C10.3°C12313.314.314 h
June 22.3°C15.2°C15.2°C13012.214.915 h
July 25.6°C19.8°C19.8°C20215.414.715 h
August 27.2°C21.3°C21.3°C18715.013.714 h
September, selected 23.6°C17.6°C17.6°C18515.512.512 h
October 17.6°C11.5°C11.5°C18516.311.211 h
November 11.2°C5.6°C5.6°C20421.110.110 h
December 4.9°C0.4°C0.4°C25025.79.59 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from Yurihonjō

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Yurihonjō) is explained once on the Yurihonjō year overview and on the Sources, method and limits page.